This is the supposed way of working it out: Expand: (2n+3)^2 - (2n-3)^2 (2n+3)(2n+3) - (2n-3)(2n-3) (4n^2+6n+6n+9) - (2n^2-6n-6n+9) 4n^2+6n+6n+9-2n^2-6n-6n+9 Then...

This is the supposed way of working it out: Expand: (2n+3)^2 - (2n-3)^2 (2n+3)(2n+3) - (2n-3)(2n-3) (4n^2+6n+6n+9) - (2n^2-6n-6n+9) 4n^2+6n+6n+9-2n^2-6n-6n+9 Then...

I need to carry out a simulation on excel spreadsheet on my case to obtain the number of red lights he will encounter at this intersection on his next 100 trips. Can anyone help please....

tell me answer..............

explain the answer.......... please

explain the sum.......... easily.....

explain the sum easily

Can you please help me answer this maths question as I believe the answer to be 50% but that is too obvious.

for .the given number ,find the leat number to be subtracted to get a perfect square. the number is 1886

i also need the lists

Define a variable write as equation

The sum of 26 and a number equals 3 times the number Define a variable and create equation

The cost to produce x units of wire is C=20x+550?, while the revenue is R= 45x. Find all intervals where the product will at least break even. A. The inequality in interval notation...

Show that the product of the first n even positive integers is 2^n(n!) Apparently you can show this on one single line (which is required)

if new york is-4 degrees and sydney is 26 degrees

A basketball player scored 5 more points in the most recent game than the previous game. The basketball player also scored twice as many points in the most recent game than the game before the previous...

The length of each side of a square is 3 in. more than the length of each side of a smaller square. The sum of the areas of the squares is 185 in^2. Find the lengths of the sides of the two squares...

Device 20 into 7 parts Value not repeated Answer is not in point

my petrol tank was a quarter full when i pull into the petrol station i put £22.50 worth of petrol and noticed that the tank was now two thirds full the cost was £1.20 per litre what is the capacity...

Zaina is curious about numbers that contain the number 2016. She insists that the digits 0, 1, 2, 6 occur only once in the number and they appear as the uninterrupted sequence 2016. She calls such...

Maths, Help is needed! any help is appreciated

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